#include <stdio.h>
#include<math.h>
int main() {
	double w, h, t;
	scanf("%lf%lf", & w,& h);
	t = w / (h * h);
	if (t < 27)
		if (t < 18)
			printf("%lf\nlower weight", t);
	if (18 <= t && t < 25)
		printf("%lf\nnormal weight", t);
	if (25 <= t && t < 27)
		printf("%lf\nhigher weight", t);
	else if (t >= 27)
		printf("%lf\nobesity", t);

	return 0;

	

}